org.apache.activemq.memory
Class LRUMap
java.lang.Object
java.util.AbstractMap<K,V>
java.util.HashMap<K,V>
java.util.LinkedHashMap
org.apache.activemq.memory.LRUMap
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Cloneable, java.util.Map
public class LRUMap
- extends java.util.LinkedHashMap
A simple least-recently-used cache of a fixed size.
- Version:
- $Revision:$
- See Also:
- Serialized Form
Nested classes/interfaces inherited from class java.util.AbstractMap |
java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V> |
Constructor Summary |
LRUMap(int maximumSize)
|
LRUMap(int maximumSize,
boolean accessOrder)
|
LRUMap(int initialCapacity,
float loadFactor,
boolean accessOrder,
int maximumSize)
|
Methods inherited from class java.util.LinkedHashMap |
clear, containsValue, get |
Methods inherited from class java.util.HashMap |
clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values |
Methods inherited from class java.util.AbstractMap |
equals, hashCode, toString |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Map |
containsKey, entrySet, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
DEFAULT_LOAD_FACTOR
protected static final float DEFAULT_LOAD_FACTOR
- See Also:
- Constant Field Values
DEFAULT_INITIAL_CAPACITY
protected static final int DEFAULT_INITIAL_CAPACITY
- See Also:
- Constant Field Values
LRUMap
public LRUMap(int maximumSize)
LRUMap
public LRUMap(int maximumSize,
boolean accessOrder)
LRUMap
public LRUMap(int initialCapacity,
float loadFactor,
boolean accessOrder,
int maximumSize)
removeEldestEntry
protected boolean removeEldestEntry(java.util.Map.Entry eldest)
- Overrides:
removeEldestEntry
in class java.util.LinkedHashMap
Copyright © 2011 Apache Software Foundation. All Rights Reserved.